/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.gwttest.client;

import com.google.gwt.user.client.Element;

/**
 * An interface that defines the methods required to support automatic resizing
 * of the Widget element.
 */
public interface ResizableWidget {
	/**
	 * Get the widget's element.
	 */
	Element getElement();

	/**
	 * Check if this widget is attached to the page.
	 * 
	 * @return true if the widget is attached to the page
	 */
	boolean isAttached();

	/**
	 * This method is called when the dimensions of the parent element change.
	 * Subclasses should override this method as needed.
	 * 
	 * @param width
	 *            the new client width of the element
	 * @param height
	 *            the new client height of the element
	 */
	void onResize(int width, int height);
}
